Subtract 42/16 from 30/64
1st number: 30/64, 2nd number: 2 10/16
30/64 - 42/16 is -69/32.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 16 is 64
Next, find the equivalent fraction of both fractional numbers with denominator 64 - For the 1st fraction, since 64 × 1 = 64,
30/64 = 30 × 1/64 × 1 = 30/64 - Likewise, for the 2nd fraction, since 16 × 4 = 64,
42/16 = 42 × 4/16 × 4 = 168/64 - Subtract the two like fractions:
30/64 - 168/64 = 30 - 168/64 = -138/64 - After reducing the fraction, the answer is -69/32
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